<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }

        .box {
            width: 500px;
            height: 500px;
            background: #000;
            margin: 20px auto;
            padding-top: 20px;
        }

        .contrast {
            width: 100%;
            height: 100%;
            background: #000;
            position: relative;
            filter: contrast(15);
            animation: hueRotate 5s linear infinite;
        }

        @keyframes hueRotate {
            to {
                filter: contrast(15) hue-rotate(360deg);
            }
        }

        .circle {
            width: 300px;
            height: 300px;
            position: absolute;
            top: 0;
            left: 50%;
            margin-left: -150px;
            filter: blur(8px);
            animation: circleRotate 5s linear infinite;
            z-index: 1000;
        }

        .circle::before {
            content: '';
            width: 200px;
            height: 200px;
            background: #00ff6f;
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            border-radius: 42% 38% 62% 49% / 45%;
        }

        .circle::after {
            content: '';
            width: 176px;
            height: 178px;
            background: #000;
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            border-radius: 50%;
        }

        @keyframes circleRotate {
            to {
                transform: rotate(360deg);
            }
        }

        .number {
            width: 200px;
            height: 200px;
            text-align: center;
            line-height: 200px;
            color: #fff;
            position: absolute;
            top: 9%;
            left: 50%;
            margin-left: -100px;
            z-index: 9;
            font-size: 30px;
        }

        .bubble-home {
            width: 150px;
            height: 50px;
            background: #00ff6f;
            position: absolute;
            bottom: 0;
            left: 50%;
            margin-left: -75px;
            border-radius: 150px 150px 0 0;
            filter: blur(8px);
        }

        .bubble {
            width: 20px;
            height: 20px;
            background: #00ff6f;
            border-radius: 100%;
            position: absolute;
            left: 50%;
            bottom: 0;
            transform: translateX(-50%);
            z-index: 100;
            animation: bubbleMoveUp 5s ease-in-out infinite;
            filter: blur(5px);
        }

        @keyframes bubbleMoveUp {
            to {
                bottom: calc(100% - 250px);
            }
        }
    </style>
</head>

<body>
    <div class="box">
        <div class="number">95.2%</div>
        <div class="contrast">
            <span class="bubble"></span>
            <div class="circle"></div>
            <div class="bubble-home"></div>
        </div>
    </div>
</body>
<script>
    function rand(m, n) {
        return Math.random() * (n - m + 1) + m;
    }
    var contrast = document.querySelector('.contrast');
    for (let i = 0; i < 8; i++) {
        var bubble = document.createElement('span');
        bubble.className = 'bubble';
        bubble.style.width = bubble.style.height = rand(20, 24) + 'px';
        bubble.style.animationDuration = rand(2, 3) + 's';
        bubble.style.animationDelay = rand(0, 3) + 's';
        bubble.style.left = rand(40, 60) + '%';
        contrast.appendChild(bubble);
    }
</script>

</html>